3-Cyanophthalide

Also known as: 1,3-Dihydro-3-oxo-1-isobenzofurancarbonitrile, 3-Cyano-3H-isobenzofuranone, 3-Oxo-1,3-dihydroisobenzofuran-1-carbonitrile, 3-oxo-1,3-dihydro-2-benzofuran-1-carbonitrile, 3-oxo-1H-isobenzofuran-1-carbonitrile, cyanophthalide, 1-Isobenzofurancarbonitrile, 1,3-dihydro-3-oxo-, 3-oxo-1,3-dihydroisobenzofuran-1-carbonitrile

3-Cyanophthalide (CAS 27613-27-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H5NO2 and a molecular weight of 159.14100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 27613-27-0
Jingsj CID: J-1400902-0
Molecular Formula: C₉H₅NO₂
Molecular Weight: 159.14100 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	159.03200
PSA	50.09000
LogP	1.42168

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Cyanophthalide?

The CAS number of 3-Cyanophthalide is 27613-27-0.

What are the molecular formula and molecular weight of 3-Cyanophthalide?

3-Cyanophthalide has molecular formula C9H5NO2 and molecular weight 159.14100 g/mol.

What are the upstream and downstream products of 3-Cyanophthalide?

For 3-Cyanophthalide, Upstream Products: Methyl 2-formylbenzoate, Phthalide, 2-Carboxybenzaldehyde; Downstream Products: Quinizarin, 1,4-difluoroanthraquinone, Benz[a]anthracene-7,12-dione.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3-Cyanophthalide (CAS 27613-27-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1400902-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.